xref: /linux/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.h (revision 9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e)
1 /*
2  * Copyright 2022 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 
27 #ifndef __DC_LINK_DP_TRAINING_128B_132B_H__
28 #define __DC_LINK_DP_TRAINING_128B_132B_H__
29 #include "link_dp_training.h"
30 
31 enum link_training_result dp_perform_128b_132b_link_training(
32 		struct dc_link *link,
33 		const struct link_resource *link_res,
34 		struct link_training_settings *lt_settings);
35 
36 void decide_128b_132b_training_settings(struct dc_link *link,
37 		const struct dc_link_settings *link_settings,
38 		struct link_training_settings *lt_settings);
39 
40 enum lttpr_mode dp_decide_128b_132b_lttpr_mode(struct dc_link *link);
41 
42 #endif /* __DC_LINK_DP_TRAINING_128B_132B_H__ */
43